<?php

class Measure Extends ComponentProperty{



// singleton instance 
private static $instance; 


private function __construct() {
    
}


  // getInstance method 
  public static function getInstance() { 

    if(!self::$instance) { 
      self::$instance = new self(); 
    } 

    return self::$instance; 

  }
  
    public function copy(){
   
   $clone=new Measure();
   $clone->label=$this->label;
   $clone->URI=$this->URI;
  
   return $clone;
  }

public static function wrapMeasure($label ,$URI ,$comment){
   
   $clone=new Measure();
   $clone->label=$label;
   $clone->URI=$URI;
   $clone->comment=$comment;
   return $clone;
  }

} /*** end of class ***/

?>
